Software / code / prosody
Annotate
README @ 10721:3a1b1d3084fb 0.11
core.certmanager: Move EECDH ciphers before EDH in default cipherstring (fixes #1513)
Backport of 94e341dee51c
The original intent of having kEDH before kEECDH was that if a `dhparam`
file was specified, this would be interpreted as a preference by the
admin for old and well-tested Diffie-Hellman key agreement over newer
elliptic curve ones. Otherwise the faster elliptic curve ciphersuites
would be preferred. This didn't really work as intended since this
affects the ClientHello on outgoing s2s connections, leading to some
servers using poorly configured kEDH.
With Debian shipping OpenSSL settings that enforce a higher security
level, this caused interoperability problems with servers that use DH
params smaller than 2048 bits. E.g. jabber.org at the time of this
writing has 1024 bit DH params.
MattJ says
> Curves have won, and OpenSSL is less weird about them now
| author | Kim Alvefur <zash@zash.se> |
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| date | Sun, 25 Aug 2019 20:22:35 +0200 |
| parent | 7359:a5a080c12c96 |
| child | 9944:11d39caf0852 |
| rev | line source |
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1 # Prosody IM Server |
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2 |
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3 ## Description |
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4 |
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5 Prosody is a server for Jabber/XMPP written in Lua. It aims to be easy |
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6 to use and light on resources. For developers, it aims to give a |
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7 flexible system on which to rapidly develop added functionality or |
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8 rapidly prototype new protocols. |
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9 |
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10 ## Useful links |
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11 |
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12 Homepage: https://prosody.im/ |
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13 Download: https://prosody.im/download |
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14 Documentation: https://prosody.im/doc/ |
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15 |
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16 Jabber/XMPP Chat: |
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17 Address: |
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18 prosody@conference.prosody.im |
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19 Web interface: |
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20 https://prosody.im/webchat |
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21 |
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22 Mailing lists: |
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23 User support and discussion: |
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24 https://groups.google.com/group/prosody-users |
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26 Development discussion: |
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27 https://groups.google.com/group/prosody-dev |
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29 Issue tracker changes: |
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30 https://groups.google.com/group/prosody-issues |
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32 ## Installation |
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34 See the accompanying INSTALL file for help on building Prosody from source. Alternatively |
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35 see our guide at https://prosody.im/doc/install |
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